Michael Crossin Email & Phone Number

Woodbridge, Va, Us

-Architected, implemented and supported network, system and application infrastructure for a high availability international messaging platform-Planned and executed a complete platform data center migration while maintaining availability and minimizing impact to customers.-Implemented enhanced security protocols, load balancing technology, LDAP, DNS, NTP, and monitoring-Created technical documentation on SOPs, troubleshooting, external customer/partner interaction guidelines-Managed customer life cycle from pre sales, technical requirements, implementation, to production launch and ongoing support-Developed and executed quality assurance test plans on all software/applications to ensure suitability for production deployment-Completed initial deployment, ongoing development, and feature enhancements of multiple proprietary messaging platforms-Ensured all carrier specific and third party messaging guidelines were met for all services both internal and external-Worked continuously to improve the user experience through hands on device testing as well as all customer-facing interfaces

-Provided 24/7 Tier 3 on-call support to Tier 2 Network Operations Center-Troubleshot and resolved SMS, and MMS problems involving SMPP, SMTP, and HTTP protocols-Supported multi-national customer specific inter-carrier SMS, and MMS messaging issues on a global platform-Coordinated Operations, System and Network Teams during service outages to expedite resolution and recovery-Configured, managed, and deployed proprietary software in both Windows and Linux environments-Worked closely with software development team to test, track bugs, extend and implement application functionality-Managed new customer implementations from lab environment to production deployment with Sales, System and Network Engineering teams-Created documentation and diagrams for support and deployment of applications within the network environment

-Composed and edited configurations within Cisco IOS, Juniper JUNOS and Nortel iSOS router operating systems-Implemented configuration modifications including but not limited to Static Routing, EBGP-4 Multi-hop, NAT, PAT and DHCP-Troubleshot and resolved routing issues involving CEF, IS-IS, IBGP-4 and EBGP-4-Assisted customers identify and resolve LAN issues with DNS, mail servers, firewalls, and routers-Physical Layer testing and isolation involving CSU/DSUs, NIUs, OCU, M13 Mux, 1/0 Dacs and 3/1 Dacs via React 2001